fig4

Figure 4. Cycling tests of cells featuring coated/pristine separators at (A) 0.1 C-rate; (B) 0.5 C-rate; (C) 2.0 C-rate; (D) cycling test of 3D Bi₂Se₃@N-C at 0.3 C coupled with high loading electrodes; and (E) detailed working mechanism of the 3D Bi₂Se₃@N-C modified separator. 3D: Three-dimensional.